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update swap related description before installation #42820

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merged 1 commit into from
Sep 15, 2023
Merged

update swap related description before installation #42820

merged 1 commit into from
Sep 15, 2023

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pacoxu
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@pacoxu pacoxu commented Sep 1, 2023

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Sep 1, 2023
@k8s-ci-robot k8s-ci-robot added language/en Issues or PRs related to English language sig/docs Categorizes an issue or PR as relevant to SIG Docs. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Sep 1, 2023
@pacoxu pacoxu mentioned this pull request Sep 1, 2023
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tengqm
tengqm reviewed Sep 1, 2023
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content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md Outdated
* Swap disabled. You **MUST** disable swap in order for the kubelet to work properly.
* For example, `sudo swapoff -a` will disable swapping temporarily. To make this change persistent across reboots, make sure swap is disabled in config files like `/etc/fstab`, `systemd.swap`, depending how it was configured on your system.
* Swap configuration. The default behavior of a kubelet was to fail to start if swap memory was detected on a node. Swap has been supported since v1.22. And since v1.28, Swap is supported for cgroup v2 only; the NodeSwap feature gate of the kubelet is beta but disabled by default.
* You **MUST** disable swap if the kubelet is not properly configured to use swap. For example, `sudo swapoff -a` will disable swapping temporarily. To make this change persistent across reboots, make sure swap is disabled in config files like `/etc/fstab`, `systemd.swap`, depending how it was configured on your system.
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Please 1) wrap the long lines manually for ease of change tracking and review, and localization; 2) avoid indentation by 4 spaces which may confuse the Markdown parser.

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Updated. Thanks.

neolit123
neolit123 reviewed Sep 1, 2023
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thanks
this update has the correct details, but it forces us to update this description again after the fg is ga...and possibly another time.

can we just say "swap is condotionally supported. please read more here..." and link to some external page?

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pacoxu commented Sep 1, 2023

can we just say "swap is condotionally supported. please read more here..." and link to some external page?

Probably link to https://kubernetes.io/blog/2023/08/24/swap-linux-beta/.

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can we just say "swap is condotionally supported. please read more here..." and link to some external page?

Probably link to https://kubernetes.io/blog/2023/08/24/swap-linux-beta/.

+1
let's see if sig docs agree

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tengqm commented Sep 15, 2023

Thanks.
/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 15, 2023
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LGTM label has been added.

Git tree hash: c6eca723108909d68ec7c4d7f8422d3a1e6345db

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tengqm

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Sep 15, 2023
@k8s-ci-robot k8s-ci-robot merged commit b751746 into kubernetes:main Sep 15, 2023
@windsonsea windsonsea mentioned this pull request Oct 11, 2023
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